Behavioral task
behavioral1
Sample
NEAS.8ae23f6711ffe6303102374a59b6e8c0_JC.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.8ae23f6711ffe6303102374a59b6e8c0_JC.exe
Resource
win10v2004-20231025-en
General
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Target
NEAS.8ae23f6711ffe6303102374a59b6e8c0_JC.exe
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Size
1.2MB
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MD5
8ae23f6711ffe6303102374a59b6e8c0
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SHA1
341ee2c1b6711ab8b9693ef530a06fbb26931102
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SHA256
5c9a37afe0ea3c2c58ee0d2177692ad91c0aca09f269940839a80fe40e056e6e
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SHA512
99cb522df7f18c6255bcd3af99616334d22c6bcb914f3692be7f2dd6d836f191ca6ea6d4743b209ee86437c132bc3353b9cadd3c395cf7c56680b46de4f3be24
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SSDEEP
24576:XvgiTlHXPiGt4zoY0H+G/cascEL+wwR5VTmu6RcePQwDm/NXbYDeq3ygQsOlfjO:UGtMot+GUayL+BDyUl8DeAyNlfjO
Malware Config
Signatures
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Berbew family
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Malware Backdoor - Berbew 1 IoCs
Berbew is a malware infection classified as a 'backdoor' Trojan. This malicious program's primary function is to cause chain infections - it can download/install additional malware such as other Trojans, ransomware, and cryptominers.
resource yara_rule sample family_berbew -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource NEAS.8ae23f6711ffe6303102374a59b6e8c0_JC.exe
Files
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NEAS.8ae23f6711ffe6303102374a59b6e8c0_JC.exe.exe windows:5 windows x86
c127345c03c7eb109783c6cc61e16834
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetLastError
SetLastError
GetFileType
GetStdHandle
WriteFile
ReadFile
FlushFileBuffers
SetEndOfFile
SetFilePointer
SetFileTime
CloseHandle
CreateFileW
CreateDirectoryW
SetFileAttributesW
GetFileAttributesW
DeleteFileW
MoveFileW
FindClose
FindFirstFileW
FindNextFileW
GetVersionExW
GetCurrentDirectoryW
GetFullPathNameW
FoldStringW
GetModuleFileNameW
GetModuleHandleW
FindResourceW
FreeLibrary
GetProcAddress
GetCurrentProcessId
ExitProcess
Sleep
LoadLibraryW
GetSystemDirectoryW
CompareStringW
AllocConsole
FreeConsole
AttachConsole
WriteConsoleW
TzSpecificLocalTimeToSystemTime
SystemTimeToFileTime
FileTimeToLocalFileTime
LocalFileTimeToFileTime
FileTimeToSystemTime
GetCPInfo
IsDBCSLeadByte
MultiByteToWideChar
WideCharToMultiByte
GlobalAlloc
GetTickCount
LockResource
GlobalLock
GlobalUnlock
GlobalFree
LoadResource
SizeofResource
SetCurrentDirectoryW
GetExitCodeProcess
WaitForSingleObject
GetLocalTime
MapViewOfFile
UnmapViewOfFile
CreateFileMappingW
OpenFileMappingW
GetCommandLineW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
MoveFileExW
GetLocaleInfoW
GetTimeFormatW
GetDateFormatW
GetNumberFormatW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
SetStdHandle
GetProcessHeap
RaiseException
GetSystemInfo
VirtualProtect
VirtualQuery
LoadLibraryExA
IsProcessorFeaturePresent
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
GetCurrentProcess
TerminateProcess
RtlUnwind
EncodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
QueryPerformanceFrequency
GetModuleHandleExW
GetModuleFileNameA
GetACP
HeapFree
HeapAlloc
HeapReAlloc
GetStringTypeW
LCMapStringW
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
DecodePointer
gdiplus
GdiplusShutdown
GdiplusStartup
GdipCreateHBITMAPFromBitmap
GdipCreateBitmapFromStreamICM
GdipCreateBitmapFromStream
GdipDisposeImage
GdipCloneImage
GdipFree
GdipAlloc
Sections
.text Size: 141KB - Virtual size: 141KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 36KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 198KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 512B - Virtual size: 244B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 56KB - Virtual size: 55KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ